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<div class="title">Random.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">// This file is part of Eigen, a lightweight C++ template library</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">// for linear algebra.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">// Copyright (C) 2008 Gael Guennebaud &lt;gael.guennebaud@inria.fr&gt;</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">// This Source Code Form is subject to the terms of the Mozilla</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">// Public License v. 2.0. If a copy of the MPL was not distributed</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160; </div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="preprocessor">#ifndef EIGEN_RANDOM_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="preprocessor">#define EIGEN_RANDOM_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160; </div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="preprocessor">#include &quot;./InternalHeaderCheck.h&quot;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160; </div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceEigen.html">Eigen</a> { </div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160; </div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Scalar&gt; <span class="keyword">struct </span>scalar_random_op {</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;  <span class="keyword">inline</span> <span class="keyword">const</span> Scalar operator() ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> random&lt;Scalar&gt;(); }</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;};</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160; </div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Scalar&gt;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="keyword">struct </span>functor_traits&lt;scalar_random_op&lt;Scalar&gt; &gt;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;{ <span class="keyword">enum</span> { Cost = 5 * NumTraits&lt;Scalar&gt;::MulCost, PacketAccess = <span class="keyword">false</span>, IsRepeatable = <span class="keyword">false</span> }; };</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160; </div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;} <span class="comment">// end namespace internal</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Derived&gt;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="keyword">inline</span> <span class="keyword">const</span> <span class="keyword">typename</span> DenseBase&lt;Derived&gt;::RandomReturnType</div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="classEigen_1_1DenseBase.html#ae97f8d9d08f969c733c8144be6225756">   57</a></span>&#160;<a class="code" href="classEigen_1_1DenseBase.html#ae814abb451b48ed872819192dc188c19">DenseBase&lt;Derived&gt;::Random</a>(<a class="code" href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> rows, <a class="code" href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> cols)</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;{</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;  <span class="keywordflow">return</span> NullaryExpr(rows, cols, internal::scalar_random_op&lt;Scalar&gt;());</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;}</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160; </div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Derived&gt;</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="keyword">inline</span> <span class="keyword">const</span> <span class="keyword">typename</span> <a class="code" href="classEigen_1_1CwiseNullaryOp.html">DenseBase&lt;Derived&gt;::RandomReturnType</a></div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="classEigen_1_1DenseBase.html#a7eb5f974a8f0b67eac7080db1da0e308">   88</a></span>&#160;<a class="code" href="classEigen_1_1DenseBase.html#ae814abb451b48ed872819192dc188c19">DenseBase&lt;Derived&gt;::Random</a>(<a class="code" href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Index</a> size)</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;{</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;  <span class="keywordflow">return</span> NullaryExpr(size, internal::scalar_random_op&lt;Scalar&gt;());</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;}</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160; </div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Derived&gt;</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="keyword">inline</span> <span class="keyword">const</span> <span class="keyword">typename</span> <a class="code" href="classEigen_1_1CwiseNullaryOp.html">DenseBase&lt;Derived&gt;::RandomReturnType</a></div>
<div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="classEigen_1_1DenseBase.html#ae814abb451b48ed872819192dc188c19">  114</a></span>&#160;<a class="code" href="classEigen_1_1DenseBase.html#ae814abb451b48ed872819192dc188c19">DenseBase&lt;Derived&gt;::Random</a>()</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;{</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;  <span class="keywordflow">return</span> NullaryExpr(RowsAtCompileTime, ColsAtCompileTime, internal::scalar_random_op&lt;Scalar&gt;());</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;}</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160; </div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Derived&gt;</div>
<div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="classEigen_1_1DenseBase.html#ac476e5852129ba32beaa1a8a3d7ee0db">  132</a></span>&#160;EIGEN_DEVICE_FUNC <span class="keyword">inline</span> Derived&amp; <a class="code" href="classEigen_1_1DenseBase.html#ac476e5852129ba32beaa1a8a3d7ee0db">DenseBase&lt;Derived&gt;::setRandom</a>()</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;{</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;  <span class="keywordflow">return</span> *<span class="keyword">this</span> = Random(rows(), cols());</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;}</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160; </div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Derived&gt;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;EIGEN_STRONG_INLINE Derived&amp;</div>
<div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="classEigen_1_1PlainObjectBase.html#a5f0f6cc8039ed5ac026cd32ed5bbe6ea">  152</a></span>&#160;<a class="code" href="classEigen_1_1PlainObjectBase.html#a5f0f6cc8039ed5ac026cd32ed5bbe6ea">PlainObjectBase&lt;Derived&gt;::setRandom</a>(<a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> newSize)</div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;{</div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;  resize(newSize);</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;  <span class="keywordflow">return</span> setRandom();</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;}</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160; </div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Derived&gt;</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;EIGEN_STRONG_INLINE Derived&amp;</div>
<div class="line"><a name="l00175"></a><span class="lineno"><a class="line" href="classEigen_1_1PlainObjectBase.html#a8921e8a7f9a5ea167231d29f8feb8700">  175</a></span>&#160;<a class="code" href="classEigen_1_1PlainObjectBase.html#a5f0f6cc8039ed5ac026cd32ed5bbe6ea">PlainObjectBase&lt;Derived&gt;::setRandom</a>(<a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> rows, <a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> cols)</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;{</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;  resize(rows, cols);</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;  <span class="keywordflow">return</span> setRandom();</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;}</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160; </div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Derived&gt;</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;EIGEN_STRONG_INLINE Derived&amp;</div>
<div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="classEigen_1_1PlainObjectBase.html#a66a2a4ffc386ca72214d0ac3161fdc03">  194</a></span>&#160;<a class="code" href="classEigen_1_1PlainObjectBase.html#a5f0f6cc8039ed5ac026cd32ed5bbe6ea">PlainObjectBase&lt;Derived&gt;::setRandom</a>(NoChange_t, <a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> cols)</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;{</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;  <span class="keywordflow">return</span> setRandom(rows(), cols);</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;}</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160; </div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Derived&gt;</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;EIGEN_STRONG_INLINE Derived&amp;</div>
<div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="classEigen_1_1PlainObjectBase.html#ae705648096d7e74b32daa82dd297dc54">  212</a></span>&#160;<a class="code" href="classEigen_1_1PlainObjectBase.html#a5f0f6cc8039ed5ac026cd32ed5bbe6ea">PlainObjectBase&lt;Derived&gt;::setRandom</a>(<a class="code" href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Index</a> rows, NoChange_t)</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;{</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;  <span class="keywordflow">return</span> setRandom(rows, cols());</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;}</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160; </div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;} <span class="comment">// end namespace Eigen</span></div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160; </div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;<span class="preprocessor">#endif </span><span class="comment">// EIGEN_RANDOM_H</span></div>
<div class="ttc" id="aclassEigen_1_1CwiseNullaryOp_html"><div class="ttname"><a href="classEigen_1_1CwiseNullaryOp.html">Eigen::CwiseNullaryOp</a></div><div class="ttdoc">Generic expression of a matrix where all coefficients are defined by a functor.</div><div class="ttdef"><b>Definition:</b> CwiseNullaryOp.h:63</div></div>
<div class="ttc" id="aclassEigen_1_1DenseBase_html_ac476e5852129ba32beaa1a8a3d7ee0db"><div class="ttname"><a href="classEigen_1_1DenseBase.html#ac476e5852129ba32beaa1a8a3d7ee0db">Eigen::DenseBase::setRandom</a></div><div class="ttdeci">Derived &amp; setRandom()</div><div class="ttdef"><b>Definition:</b> Random.h:132</div></div>
<div class="ttc" id="aclassEigen_1_1DenseBase_html_ae814abb451b48ed872819192dc188c19"><div class="ttname"><a href="classEigen_1_1DenseBase.html#ae814abb451b48ed872819192dc188c19">Eigen::DenseBase::Random</a></div><div class="ttdeci">static const RandomReturnType Random()</div><div class="ttdef"><b>Definition:</b> Random.h:114</div></div>
<div class="ttc" id="aclassEigen_1_1PlainObjectBase_html_a5f0f6cc8039ed5ac026cd32ed5bbe6ea"><div class="ttname"><a href="classEigen_1_1PlainObjectBase.html#a5f0f6cc8039ed5ac026cd32ed5bbe6ea">Eigen::PlainObjectBase::setRandom</a></div><div class="ttdeci">Derived &amp; setRandom(Index size)</div><div class="ttdef"><b>Definition:</b> Random.h:152</div></div>
<div class="ttc" id="anamespaceEigen_html"><div class="ttname"><a href="namespaceEigen.html">Eigen</a></div><div class="ttdoc">Namespace containing all symbols from the Eigen library.</div><div class="ttdef"><b>Definition:</b> Core:139</div></div>
<div class="ttc" id="anamespaceEigen_html_a62e77e0933482dafde8fe197d9a2cfde"><div class="ttname"><a href="namespaceEigen.html#a62e77e0933482dafde8fe197d9a2cfde">Eigen::Index</a></div><div class="ttdeci">EIGEN_DEFAULT_DENSE_INDEX_TYPE Index</div><div class="ttdoc">The Index type as used for the API.</div><div class="ttdef"><b>Definition:</b> Meta.h:59</div></div>
<div class="ttc" id="astructEigen_1_1EigenBase_html_a554f30542cc2316add4b1ea0a492ff02"><div class="ttname"><a href="structEigen_1_1EigenBase.html#a554f30542cc2316add4b1ea0a492ff02">Eigen::EigenBase::Index</a></div><div class="ttdeci">Eigen::Index Index</div><div class="ttdoc">The interface type of indices.</div><div class="ttdef"><b>Definition:</b> EigenBase.h:41</div></div>
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